Zhāng Nèiyùn 張內蘊 (fl. 1580) was a Wàn-lì-era shēngyuán (Tributary Student) of Wújiāng County in Sūzhōu Prefecture. With the Huátíng jiānshēng Zhōu Dàsháo, he was assigned by Censor Lín Yìngxùn 林應訓 to edit the SānWú shuǐkǎo (KR2k0070) — a 16-juan documentary monograph on Lín’s six-year (1576–1582) Wàn-lì-era hydraulic administration of the SūSōngChángZhèn region. CBDB has no entry under this name; he did not subsequently rise to high office.